#include<iostream>
using namespace std;
#include<unistd.h>

int main()
{
  printf("my pid = %d\n",getpid());
  cout<<"hello c++,i am a c++ pragma!"<<endl;
  cout<<"hello c++,i am a c++ pragma!"<<endl;
  cout<<"hello c++,i am a c++ pragma!"<<endl;
  cout<<"hello c++,i am a c++ pragma!"<<endl;
  return 0;
}
